Re: [PATCH 0/3] simulated interrupts

2017-08-02 Thread Linus Walleij
On Wed, Jul 19, 2017 at 4:19 PM, Marc Zyngier wrote: > On a slightly tangential subject, there is another aspect that I thought > of implementing for a while, but always ended up just relying on a quick > hack: forcing the injection of an actual interrupt. A number of >

Re: [PATCH 0/3] simulated interrupts

2017-07-19 Thread Andy Shevchenko
On Wed, Jul 19, 2017 at 5:53 PM, Thomas Gleixner wrote: > On Wed, 19 Jul 2017, Andy Shevchenko wrote: >> On Wed, Jul 19, 2017 at 5:19 PM, Marc Zyngier wrote: >> > echo 1 >/proc/irq/9/trigger >> > (or the corresponding /sys/kernel/debug/irq/irqs/

Re: [PATCH 0/3] simulated interrupts

2017-07-19 Thread Thomas Gleixner
On Wed, 19 Jul 2017, Andy Shevchenko wrote: > On Wed, Jul 19, 2017 at 5:19 PM, Marc Zyngier wrote: > > On 19/07/17 14:58, Thomas Gleixner wrote: > >> On Wed, 19 Jul 2017, Bartosz Golaszewski wrote: > > > echo 1 >/proc/irq/9/trigger > > (or the corresponding

Re: [PATCH 0/3] simulated interrupts

2017-07-19 Thread Andy Shevchenko
On Wed, Jul 19, 2017 at 5:19 PM, Marc Zyngier wrote: > On 19/07/17 14:58, Thomas Gleixner wrote: >> On Wed, 19 Jul 2017, Bartosz Golaszewski wrote: > echo 1 >/proc/irq/9/trigger > (or the corresponding /sys/kernel/debug/irq/irqs/ interface if we want to > make sure that

Re: [PATCH 0/3] simulated interrupts

2017-07-19 Thread Marc Zyngier
On 19/07/17 14:58, Thomas Gleixner wrote: > On Wed, 19 Jul 2017, Bartosz Golaszewski wrote: > >> 2017-07-19 14:25 GMT+02:00 Thomas Gleixner : >>> On Wed, 19 Jul 2017, Bartosz Golaszewski wrote: >>> Some frameworks (e.g. iio, gpiolib) use irq_work to implement simulated

Re: [PATCH 0/3] simulated interrupts

2017-07-19 Thread Bartosz Golaszewski
2017-07-19 14:25 GMT+02:00 Thomas Gleixner : > On Wed, 19 Jul 2017, Bartosz Golaszewski wrote: > >> Some frameworks (e.g. iio, gpiolib) use irq_work to implement simulated >> interrupts that can be 'fired' from process context when needed and >> requested just like normal

Re: [PATCH 0/3] simulated interrupts

2017-07-19 Thread Thomas Gleixner
On Wed, 19 Jul 2017, Bartosz Golaszewski wrote: > Some frameworks (e.g. iio, gpiolib) use irq_work to implement simulated > interrupts that can be 'fired' from process context when needed and > requested just like normal interrupts. This is useful for testing and > development purposes. > >